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ADS1299: ads1299的bias_out的电压可以测的2.5V,当我接上电极的时候,测得靠近电极皮肤电压是0.5V,原因是啥?

Part Number: ADS1299


ads1299的bias_out的电压可以测的2.5V,当我接上电极的时候,测得靠近电极皮肤电压是0.5V,原因是啥?